html,
body {
    height: auto;
}

body {
    margin: 0 auto;
    font-family: arial, sans-serif;
}

.exchange_wrap {
    width: 7.5rem;
    margin: 0 auto;
    background: #F0F3FD;
}


.exchange_wrap .title_wrap {
    display: flex;
    align-items: center;
    padding-top: 0.3rem;
    box-sizing: border-box;
}

.bg_c {
    background: #fff;
    padding-bottom: 0.34rem;
}

.exchange_wrap .title_wrap i {
    display: inline-block;
    background: url(../images/leftB.png) no-repeat;
    background-size: contain;
    width: 0.22rem;
    height: 0.38rem;
    margin-left: 0.56rem;
}

.exchange_wrap .title_wrap p {
    display: inline-block;
    font-size: 0.37rem;
    font-family: SourceHanSansCN;
    font-weight: 500;
    color: #2F2F2F;
    margin-left: 2.28rem;
}

.quan_warp img {
    width: 4.26rem;
    height: 1.99rem;
}

.quan_warp {
    margin: 0 auto;
    margin-top: 0.92rem;
    text-align: center;
}

.exchange_wrap .dec_wrap {
    font-size: 0.25rem;
    font-family: SourceHanSansSC;
    font-weight: 500;
    color: #2F2F2F;
    margin-top: 1.02rem;
    margin-left: 0.56rem;
}

.exchange_wrap .dec_wrap p:nth-child(1) {
    font-size: 0.25rem;
    font-family: SourceHanSansSC;
    font-weight: 500;
    color: #2F2F2F;
}

.exchange_wrap .dec_wrap p:nth-child(2) {
    font-size: 0.21rem;
    font-family: Adobe Heiti Std;
    font-weight: normal;
    color: #2F2F2F;
}

.exchange_wrap .dec_wrap p:nth-child(2) span {
    color: #FB5848;
}

.bg_c2 {
    background-color: #fff;
    margin-top: 0.2rem;
    padding-top: 0.56rem;
    padding-left: 0.42rem;
    box-sizing: border-box;

}

.bg_c2 .title_wrap1 {
    font-size: 0.3rem;
    font-family: SourceHanSansSC;
    font-weight: 600;
    color: #2F2F2F;
    display: flex;
    align-items: center;

}

.bg_c2 .title_wrap1 i {
    width: 0.13rem;
    height: 0.21rem;
    background: #05C67D;
    margin-right: 0.2rem;
}

.box_bottom {
    margin-top: 0.24rem;
    font-size: 0.3rem;
    font-family: SourceHanSansSC;
    font-weight: 500;
    color: #515151;
}
.box_bottom p span {
    font-weight: 900;

}
.exchange_btn {
    width: 4.41rem;
    height: 0.64rem;
    background: linear-gradient(90deg, #FF8236 0%, #FFCB2D 100%);
    border-radius: 0.3rem;
    margin: 0 auto;
    line-height: 0.64rem;
    text-align: center;
    margin-top: 0.85rem;
    font-size: 0.3rem;
    font-family: SourceHanSansSC;
    font-weight: 500;
    color: #FFFFFF;
}